CPI International

Wiley's Scientific, Technical, Medical, and Scholarly (STMS) business, also known as Wiley-Blackwell, serves the world's research and scholarly communities, and is the largest publisher for professional and scholarly societies. Wiley-Blackwell's programs encompass journals, books, major reference... Read More

ISO 9001, ISO 17034 and ISO/IEC 17025 certified manufacturer of reference materials and standards. Products include organic and inorganic standards for EPA methods, pesticide residue screening, flame retardants, biofuels, plastic additives, phthalates, explosives, ASTM methods and wear metal... Read More

Reference Material Producer-Proficiency Testing and Calibration Standards. Organic, Inorganic & Third Party Criteria Certified Reference Materials (CRM) for Performance Testing, Calibration, & Quality Control. The AbsoluteGrade™ PT program features a complete line of Proficiency Testing samples.... Read More